Why does the sound output still exist after muting the iPhone in Bluetooth Audio Mode?

Thank you for supporting our product. 

 

This is a platform issue, the current projector bluetooth protocol does not support the volume protocol. iPhones still have slight audio output when the volume is adjusted to 0.

 

If you need additional assistance, please contact our customer support team.

Why does the sound output still exist after muting the iPhone in Bluetooth Audio Mode?
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